4820-01-425-8221

Find complete technical information, availability, and procurement data for: 4820-01-425-8221
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-425-8221

Item Name Code

05488

Assigment Date

02/28/1996 (30 years ago)

An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes:stem, faucet; and stem, needle valve.

strategic sealift conversion ships class end item identification, right-hand all ends thread direction, 153.0 gallons per minute valve discharge flow rate, spring disk loading method, 300.0 fahrenheit single response maximum operating temp

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction: right-hand all ends
Disk Loading Method: spring
Valve Discharge Flow Rate: 153.0 gallons per minute
Maximum Operating Temp: 300.0 fahrenheit single response
End Item Identification: strategic sealift conversion ships class
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 1.500 inches all ends
Opening Pressure Setting: 250.0 pounds per square inch
Special Features: incl pressure tight cap
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy stem
Media For Which Designed: liquid single response
Style Designator: angle
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 cap

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
0020-G01-MC0250	Safety Relief Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-01-425-8221?

The FSCG of the NSN 4820-01-425-8221 is 4820

Does the NSN 4820-01-425-8221 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-425-8221 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-01-425-8221 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-425-8221 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-01-425-8221 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Wed, Feb 28, 1996